Gilles Simon defeated Jerome Haehnel 6-1 4-6 6-1 in the France F7 qualifying round on clay. The upset overturned the form book — Jerome Haehnel came in leading the head-to-head 2–0. Gilles Simon claimed a first win over Jerome Haehnel in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-02-02 | France F3 | QF | hard | Jerome Haehnel | 2-6 6-4 6-3 |
| 2003-09-29 | France F18 | R32 | hard | Jerome Haehnel | 6-4 6-2 |
Averages over each player's completed matches in the selected window (200 vs 26). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About